text: 
  var oriImg = 'images/share.jpg';
  
  var strUrl = window.location.href;
  var arrUrl = strUrl.split("/");
  var strPage = arrUrl[arrUrl.length-1];
  var strPageLength = strPage.length;
  var newstr = strUrl.substring(0,strUrl.length-strPageLength);
  var imgUrl = newstr + oriImg;
  console.log("分享图片地址:" +imgUrl);
  // var imgUrl = location.origin +''+ oriImg;
  var lineLink = location.href;
  var shareTitle = '致那时的自己';
  var desc = '我们还是那时勇敢的自己,也是现在纯真温热的你';
  var appid = '';
  function shareFriend() {
      WeixinJSBridge.invoke('sendAppMessage',{
          "appid": appid,
          "img_url": imgUrl,
          "img_width": "200",
          "img_height": "200",
          "link": lineLink,
          "desc": desc,
          "title": shareTitle
      }, function(res) {
  
      })
  }
  function shareTimeline() {
      WeixinJSBridge.invoke('shareTimeline',{
          "img_url": imgUrl,
          "img_width": "200",
          "img_height": "200",
          "link": lineLink,
          "title": shareTitle,
          "desc": shareTitle
      }, function(res) {
  
      });
  }
  function shareWeibo() {
      WeixinJSBridge.invoke('shareWeibo',{
          "content": shareTitle,
          "url": lineLink
      }, function(res) {
  
      });
  }
  
  // 当微信内置浏览器完成内部初始化后会触发WeixinJSBridgeReady事件。
  if (typeof WeixinJSBridge == 'object') {
      WeixinJSBridge.on('menu:share:appmessage', function(argv) {
          shareFriend();
      });
      // 分享到朋友圈
      WeixinJSBridge.on('menu:share:timeline', function(argv) {
          shareTimeline();
      });
      // 分享到微博
      WeixinJSBridge.on('menu:share:weibo', function(argv) {
          shareWeibo();
      });
  } else {
      // 当微信内置浏览器完成内部初始化后会触发WeixinJSBridgeReady事件。
      document.addEventListener('WeixinJSBridgeReady', function onBridgeReady() {
          // 发送给好友
          WeixinJSBridge.on('menu:share:appmessage', function(argv) {
              shareFriend();
          });
          // 分享到朋友圈
          WeixinJSBridge.on('menu:share:timeline', function(argv) {
              shareTimeline();
          });
          // 分享到微博
          WeixinJSBridge.on('menu:share:weibo', function(argv) {
              shareWeibo();
          });
      }, false);
  }